GoogleOSV:CVE-2021-31873CVE-2021-31873
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.1 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.007 Low
EPSS
Percentile
79.2%
An issue was discovered in klibc before 2.0.9. Additions in the malloc() function may result in an integer overflow and a subsequent heap buffer overflow.
| CPE | Name | Operator | Version |
|---|---|---|---|
| klibc | eq | klibc-0.101 | |
| klibc | eq | klibc-0.157 | |
| klibc | eq | klibc-1.3.27 | |
| klibc | eq | klibc-0.166 | |
| klibc | eq | klibc-1.5 | |
| klibc | eq | klibc-0.178 | |
| klibc | eq | klibc-0.165 | |
| klibc | eq | klibc-0.75 | |
| klibc | eq | klibc-0.86 | |
| klibc | eq | klibc-0.202 |
References
www.openwall.com/lists/oss-security/2021/04/30/1
git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=a31ae8c508fc8d1bca4f57e9f9f88127572d5202
github.com/huolinjue/klibc/commit/a31ae8c508fc8d1bca4f57e9f9f88127572d5202
kernel.org/pub/linux/libs/klibc/2.0/
lists.debian.org/debian-lts-announce/2021/06/msg00025.html
lists.zytor.com/archives/klibc/2021-April/004593.html
Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.1 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.007 Low
EPSS
Percentile
79.2%